Some iPhone users have seen vertical or horizontal lines on iPhone screen. Sometimes you drop the phone or put an unusual pressure on the screen frame, causing this problem. In addition, people seem to have this problem after the screen repair. When this happens, don't panic and try the following steps.
1. Is the iPhone screen Lines Appearing Temporary?
Determine if the lines on the screen are temporary. When you switch from app to another app, is the shadow of the previous program window left on your screen? Will disappear soon? Or multi colored lines only appear in certain situations, and if so, the problem may point to the application.
If you have recently installed a new application and then iPhone screen has lines across it, the application may be the problem. In addition, checks and whether there are new operating system updates, it maybe line on iPhone screen after update.
You can uninstall programs that may cause colored lines on the iPhone screen to check if it can solve the problem. If the problems with lines on an iPhone screen after the update, then you try to update the system again or restore the factory settings.
2. Press the Screen Cable
Normally the screen line is located about 2 inches below the camera with your LCD panel and LCD cable. The next thing you need to press hard the screen and try to reconnect the LCD cable.
If all pins are not connected to the logic board, so a firm push down will allow the pins to be connected.
This is not a big possibility to solve the problem, but it is a step worth testing.
- Put one finger on the screen and one finger on the back of the screen
- Push down, not enough to damage the screen
- Press several places on the screen to see if the line on the screen disappears and the display should start normal display again. If this doesn't work, it looks like you need to repair your iPhone parts.
3. Remove the iPhone Screen Static Electricity
Static electricity shock damages some repair components, so if the static electricity in the phone screen with the dry and cold weather, the screen will be broken. You need to reset the phone hardware. If it is still invalid, you need to consider replacing the broken parts. Some mobile phones will have a reset button, remove the external power adapter, and press the reset hole with the needle. If the three is not reset button, after removing the external power supply, press and hold the power button for 20 seconds.
4. Fix the Screen Line
Disassemble the iPhone screen according to the screen disassembly instructions, then gently lift the display cable. In addition, disconnect the battery, reconnect the battery, and then reconnect the display to the various components to ensure that the cables are not faulty and connected properly. The looseness of some cables is the cause of the iPhone has lines through screen.
5. DFU Restore your iPhone
In this case, the next thing you need to do is to recover the phone use DFU mode.
This is the last step will take when hardware or software issues arise in your device.
The problem you are experiencing is hardware-based, and recovering from DFU mode is the best way to try to get the software to respond to the hardware. DFU stands for device firmware update.When you enter DFU mode and restore it, it will erase all the code on the iPhone, update the firmware and reopen the code.
In the process, you will lose all your data, so you will need to backup all your data on iPhone.
When your phone is turned on, you will be able to if there are showing colored lines on iPhone screen.
How to enter DFU mode you can refer to:
https://phone.gemwon.com/blog/How-to-Enter-DFU-Mode-iPhone-7
6. Lines on iPhone Screen after Drop
If you are sure that your iPhone has screen damage after dropped, the first thing is to check if your phone still has a warranty. If you have an Apple Care warranty, the Apple Store should replace your phone parts for free. Of course, if the phone out of the warranty period, we can also try to repair it yourself. You only need to buy the iPhone display complete for replacement in GEMWON Mall, and you can change the screen yourself according to the disassembly steps.
Make sure that the phone is no in warranty. Otherwise, the manufacturer's warranty does not cover accidental damage to the iPhone. In this case, you will need to pay for the repair.
7. Lines on iPhone Screen after Water Damage
Closed your phone, please follow the steps below:
- Check carefully to make sure the iPhone is turned off
- Open the iPhone with a repair kit
- Carefully remove the battery
- Try to get rid of all iPhone components
- All corrosion and water stains must be carefully cleaned
- Everything is done, reinstall the battery and try to reinstall the LCD
I hope that after performing these steps, waiting for the residual moisture in the phone to dry, boot to test, iPhone screen has lines across it may be fixed. However, water damage is a strait
problem and you may need a new screen to replace.
8. How to replace the screen with iPhone Teardown
The iPhone's parts disassembly method is similar, you can learn how to replace the iPhone screen here. How to Disassemble iPhone XR
There are methods how to fix lines on iPhone screen. This phenomenon is likely to be worse if the iPhone screen is broken. Other methods are tested before the screen replacement. You should do all the trials above if possible. If you need to buy the original mobile phone repair screen and display cable, you can consider the professional phone parts wholesaler GEMWON.
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How to Enter DFU Mode iPhone 7